CN220362145U - Exhaust device for PCB reflow soldering - Google Patents
Exhaust device for PCB reflow soldering Download PDFInfo
- Publication number
- CN220362145U CN220362145U CN202321316770.8U CN202321316770U CN220362145U CN 220362145 U CN220362145 U CN 220362145U CN 202321316770 U CN202321316770 U CN 202321316770U CN 220362145 U CN220362145 U CN 220362145U
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- CN
- China
- Prior art keywords
- air
- exhaust
- shell
- groups
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005476 soldering Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 238000001179 sorption measurement Methods 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 238000011282 treatment Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims description 20
- 239000000428 dust Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 36
- 238000003466 welding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The utility model discloses an exhaust device for reflow soldering of a PCB (printed Circuit Board), which comprises an exhaust shell, wherein an air suction assembly is arranged in an air inlet end of the exhaust shell, harmful gas generated by reflow soldering is pumped by two groups of exhaust fans in the air suction assembly and is sent into the exhaust shell, particulate impurities and harmful substances in the gas are filtered and adsorbed by matching a filter plate and an active carbon filter screen, the filtered gas is sucked by an air suction cover driven by an air suction pump in a gas treatment assembly, the gas is sent into an adsorption liquid in a liquid filter box through a pipeline communicated with an air outlet end of the air suction pump, the gas is adsorbed again through the adsorption liquid, and the gas adsorbed by the adsorption liquid is discharged from an air outlet, so that the harmful gas generated by reflow soldering is treated for multiple times, the treatment effect of the harmful gas is improved, and the harmful gas which is difficult to treat is prevented from remaining to pollute the surrounding working environment to a certain extent.
Description
Technical Field
The utility model relates to the technical field of PCB boards, in particular to an exhaust device for reflow soldering of a PCB board.
Background
The PCB board generally refers to a circuit board, which has the following names: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, PCB boards, aluminum substrates, high frequency boards, thick copper plates, impedance boards, PCBs, ultra-thin circuit boards, printed (copper etching technology) circuit boards, and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in mass production of fixed circuits and optimization of the layout of electrical appliances. The circuit board may be referred to as a printed wiring board or a printed circuit board.
For example, an exhaust device for reflow soldering of a PCB board (bulletin number: CN 212440474U) comprises an air pump, wherein an air inlet pipe orifice and an air outlet pipe orifice of the air pump are both connected with air guide pipes, the air guide pipes connected with the air inlet pipe orifice of the air pump are respectively connected with a plurality of exhaust collecting boxes, one end of each air guide pipe is connected with an exhaust collecting box, one end of each collecting box is provided with an air inlet groove, one end, close to the air inlet groove, of the inside of each collecting box is provided with a dust screen, air is sucked from the air inlet grooves into the collecting boxes by using the air pump, and the dust screen filters the air and filters tiny impurities generated by welding; according to the utility model, the air is conveyed into the box body through the air guide pipe, the air enters the box body through the air outlet ball head, the adsorption liquid in the box body adsorbs toxic air, and the adsorbed air is discharged from the air outlet, so that environmental pollution is avoided.
Based on the search of the patent and the discovery of the equipment in the prior art, the equipment can only adsorb the toxic gas dissolved in the adsorption liquid through the adsorption liquid when in application, and has limitation on the treatment of the harmful gas under the condition that part of the harmful gas which is not easy to adsorb or is insoluble in the adsorption liquid is not treated, so that the air exhaust device for the reflow soldering of the PCB is required.
Disclosure of Invention
The utility model aims to provide an exhaust device for reflow soldering of a PCB (printed Circuit Board) so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the exhaust device for the PCB reflow soldering comprises an exhaust shell, wherein an air suction assembly is arranged in an air inlet end of the exhaust shell, a filter plate and an active carbon filter screen are detachably inserted on one side of the air suction assembly, and a gas treatment assembly is arranged on one side of the air suction shell, which is positioned on the active carbon filter screen;
the gas treatment assembly comprises a suction hood, the suction hood is fixedly arranged between the inner top part and the inner bottom part of the exhaust shell, a suction pump is arranged at the air outlet end of the suction hood through pipeline communication, a liquid filter box is fixedly communicated with the air outlet end of the suction pump through a pipeline, adsorption liquid for adsorbing gas is arranged in the liquid filter box, a gas outlet is formed in one side of the liquid filter box, a dust screen is fixedly embedded in the gas outlet, the liquid filter box is fixedly arranged in one end of the exhaust shell, the suction pump is fixedly arranged at the inner bottom part of the exhaust shell, the pipeline communicated with the air outlet end of the suction pump penetrates through the liquid filter box and is positioned below the liquid level in the liquid filter box, one side of the liquid filter box is flush with one end of the exhaust shell, and a liquid observation column is arranged below the dust screen.
Preferably, the air suction assembly comprises a mounting plate, the mounting plate is fixedly mounted in the exhaust shell, two groups of exhaust fans are symmetrically and fixedly embedded on the mounting plate, and a protective net is fixedly embedded on the outer side of the exhaust shell, which is positioned at the air inlet end of the two groups of exhaust fans.
Preferably, the inner wall of the exhaust shell is symmetrically and fixedly provided with two groups of concave frames, the top of the exhaust shell is provided with through holes corresponding to the two groups of concave frames, and the bottoms of the filter plate and the active carbon filter screen respectively penetrate through the two groups of through holes and are inserted into the two groups of concave frames.
Preferably, the tops of the filter plate and the active carbon filter screen are flush with the top of the exhaust shell, and the tops of the filter plate and the active carbon filter screen are fixedly connected with lifting rods.
Preferably, the outer wall of the air inlet end of the air exhaust shell is fixedly connected with a rectangular mounting plate, a plurality of groups of mounting holes are symmetrically formed in the rectangular mounting plate, and one side of the rectangular mounting plate is flush with one end of the air exhaust shell.
Preferably, the rectangular mounting plate is located at one side of the exhaust shell and is symmetrically and fixedly connected with four groups of reinforcing plates, and one side of each four groups of reinforcing plates is fixedly connected with four side walls of the rectangular mounting plate respectively.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the two groups of exhaust fans in the air suction assembly are used for sucking and returning harmful gas generated by the flow welding and sending the harmful gas into the exhaust shell, the filter plate and the active carbon filter screen are matched for filtering and adsorbing particulate impurities and harmful substances in the gas, the air suction hood is driven by the air suction pump in the gas treatment assembly to suck the filtered gas, the filtered gas is sent into the adsorption liquid in the liquid filter box through the pipeline communicated with the air outlet end of the air suction pump, the gas is subjected to adsorption treatment again through the adsorption liquid, and the gas subjected to adsorption treatment by the adsorption liquid is discharged from the air outlet, so that the harmful gas generated by the flow welding is subjected to multiple treatments, the treatment effect of the harmful gas is improved, and the harmful gas which is difficult to treat remains can be avoided to a certain extent from polluting surrounding working environments.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
fig. 4 is a schematic view of the structure of the concave frame and the filter plate of the present utility model.
In the figure: 1. an exhaust shell; 2. a mounting plate; 3. an exhaust fan; 4. a filter plate; 5. an active carbon filter screen; 6. a concave frame; 7. a through hole; 8. a lifting rod; 9. an air suction cover; 10. an air extracting pump; 11. a liquid filtration tank; 12. a dust screen; 13. a liquid amount observation column; 14. a protective net; 15. a rectangular mounting plate; 16. reinforcing plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution:
the utility model provides an exhaust device for PCB board reflow soldering, includes exhaust shell 1, and exhaust shell 1 installs the subassembly that induced drafts in the internally mounted of air inlet end, and filter plate 4 and active carbon filter screen 5 have been detachably pegged graft to the one side that exhaust shell 1 is located the subassembly that induced drafts, and exhaust shell 1 is located one side of active carbon filter screen 5 and is provided with the gas treatment subassembly;
the gas treatment assembly comprises a suction hood 9, the suction hood 9 is fixedly arranged between the inner top and the inner bottom of the exhaust shell 1, the air outlet end of the suction hood 9 is communicated with an air pump 10 through a pipeline, the air outlet end of the air pump 10 is fixedly communicated with a liquid filtering box 11 through the pipeline, the inside of the liquid filtering box 11 is provided with adsorption liquid for adsorbing gas, one side of the liquid filtering box 11 is provided with an air outlet, the inside of the air outlet is fixedly embedded with a dustproof net 12, the suction hood 9 is driven by the air pump 10 to suck filtered gas conveniently, the pipeline communicated with the air outlet end of the air pump 10 is fed into the inside of adsorption liquid in the liquid filtering box 11, the gas is adsorbed again through the adsorption liquid, the liquid filtering box 11 is fixedly arranged in one end of the exhaust shell 1, the air pump 10 is fixedly arranged at the inner bottom of the exhaust shell 1, the pipeline communicated with the air outlet end of the air pump 10 penetrates through the liquid filtering box 11 to be located under the liquid level inside the liquid filtering box 11, the gas is enabled to enter the inside of the adsorption liquid, the adsorption liquid is adsorbed by the adsorption liquid, one side of the liquid filtering box 11 is fixedly embedded with one end part of the shell 1, the top of the liquid filtering box 11 is conveniently provided with a pipe, the top of the liquid feeding pipe is connected with the liquid filtering box 1 to be filled with the adsorption liquid through the filter 13, the liquid is conveniently filled with the liquid in the observation column 13, and the liquid is conveniently filled into the observation column 13, and the observation column is convenient to observe the liquid is located under the observation column 13.
The induced draft assembly comprises a mounting plate 2, wherein the mounting plate 2 is fixedly arranged in the exhaust shell 1, two groups of exhaust fans 3 are symmetrically and fixedly embedded on the mounting plate 2, and a protective net 14 is fixedly embedded in the outer side of the exhaust shell 1, which is positioned at the air inlet end of the two groups of exhaust fans 3, so that harmful gas generated by reflow soldering is conveniently extracted through the two groups of exhaust fans 3 and is sent into the exhaust shell 1.
The inner wall of the exhaust shell 1 is symmetrically and fixedly provided with two groups of concave frames 6, the top of the exhaust shell 1 is provided with through holes 7 corresponding to the two groups of concave frames 6, the bottoms of the filter plate 4 and the active carbon filter screen 5 respectively penetrate through the two groups of through holes 7 and are inserted into the two groups of concave frames 6, and particle impurities and harmful substances in gas are filtered and adsorbed by the cooperation of the filter plate 4 and the active carbon filter screen 5.
The top of filter plate 4 and active carbon filter screen 5 is parallel and level with the top of exhaust shell 1, and the equal fixedly connected with lifter 8 in top of filter plate 4 and active carbon filter screen 5, the filter plate 4 or the active carbon filter screen 5 of being convenient for with its connection through the lifter 8 take out in following exhaust shell 1, be convenient for maintain the change to filter plate 4 or active carbon filter screen 5.
Fixedly connected with rectangle mounting panel 15 on the outer wall of the air inlet end of shell 1 airs exhaust, be the symmetry on the rectangle mounting panel 15 and seted up a plurality of groups of mounting holes, and one side of rectangle mounting panel 15 and the one end tip parallel and level of shell 1 airs exhaust are convenient for install the device in the proper position of reflow soldering through a plurality of groups of mounting hole cooperation on the rectangle mounting panel 15.
Four groups of reinforcing plates 16 are symmetrically and fixedly connected to one side of the rectangular mounting plate 15, and one side of each four groups of reinforcing plates 16 is fixedly connected with four side walls of the rectangular mounting plate 15.
When the utility model is used, the device is arranged at a proper position of reflow soldering by matching a plurality of groups of mounting holes on the rectangular mounting plate 15, harmful gas generated by reflow soldering is extracted by the two groups of exhaust fans 3 in the air suction assembly and is sent into the exhaust shell 1, particulate impurities and harmful substances in the gas are filtered and adsorbed by matching the filter plate 4 and the active carbon filter screen 5, the air suction cover 9 is driven by the air suction pump 10 in the gas treatment assembly to suck the filtered gas, the filtered gas is sent into the adsorption liquid in the liquid filter box 11 through a pipeline communicated with the air outlet end of the air suction pump 10, the gas is adsorbed again by the adsorption liquid, and the gas adsorbed by the adsorption liquid is discharged from the air outlet, so that the harmful gas generated by reflow soldering is treated for a plurality of times, the treatment effect of the harmful gas is improved, and the harmful gas which is difficult to treat can be prevented from remaining to pollute the surrounding working environment to a certain extent.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an exhaust device for PCB board reflow soldering, includes exhaust shell (1), its characterized in that: an air suction assembly is arranged in the air inlet end of the air exhaust shell (1), a filter plate (4) and an active carbon filter screen (5) are detachably inserted on one side of the air exhaust shell (1) positioned on the air suction assembly, and a gas treatment assembly is arranged on one side of the air exhaust shell (1) positioned on the active carbon filter screen (5);
the gas treatment assembly comprises a suction hood (9), the suction hood (9) is fixedly arranged between the inner top and the inner bottom of the exhaust shell (1), the air outlet end of the suction hood (9) is communicated with an air pump (10) through a pipeline, the air outlet end of the air pump (10) is fixedly communicated with a liquid filtering box (11) through a pipeline, the inside of the liquid filtering box (11) is provided with adsorption liquid for adsorbing gas, one side of the liquid filtering box (11) is provided with an air outlet, the inside of the air outlet is fixedly embedded with a dust screen (12), the liquid filtering box (11) is fixedly arranged at the inner bottom of one end of the exhaust shell (1), the air pump (10) is fixedly arranged at the inner bottom of the exhaust shell (1), the pipeline communicated with the air outlet end of the air pump (10) penetrates through the liquid filtering box (11) to be located below the liquid level inside the liquid filtering box (11), one side of the liquid filtering box (11) is flush with one end of the shell (1), and the liquid filtering box (11) is located below the dust screen (12) and is provided with a liquid observation column (13).
2. The exhaust device for reflow soldering of a PCB board according to claim 1, wherein: the air suction assembly comprises a mounting plate (2), the mounting plate (2) is fixedly arranged in the air exhaust shell (1), two groups of exhaust fans (3) are symmetrically and fixedly embedded on the mounting plate (2), and a protective net (14) is fixedly embedded on the outer side of the air exhaust shell (1) at the air inlet ends of the two groups of exhaust fans (3).
3. The exhaust device for reflow soldering of a PCB board according to claim 1, wherein: the inner wall of the exhaust shell (1) is symmetrically and fixedly provided with two groups of concave frames (6), through holes (7) corresponding to the two groups of concave frames (6) are formed in the top of the exhaust shell (1), and the bottoms of the filter plate (4) and the active carbon filter screen (5) penetrate through the two groups of through holes (7) respectively and are spliced in the two groups of concave frames (6).
4. A device for exhausting solder reflow of a PCB according to claim 3, wherein: the top of filter plate (4) and active carbon filter screen (5) and the top parallel and level of exhaust shell (1), and the top of filter plate (4) and active carbon filter screen (5) all fixedly connected with lifter (8).
5. The exhaust device for reflow soldering of a PCB board according to claim 1, wherein: the air exhaust device is characterized in that a rectangular mounting plate (15) is fixedly connected to the outer wall of the air inlet end of the air exhaust shell (1), a plurality of groups of mounting holes are symmetrically formed in the rectangular mounting plate (15), and one side of the rectangular mounting plate (15) is flush with one end of the air exhaust shell (1).
6. The exhaust device for reflow soldering of the PCB in accordance with claim 5, wherein: four groups of reinforcing plates (16) are symmetrically and fixedly connected to one side of the air exhaust shell (1), and one side of each four groups of reinforcing plates (16) is fixedly connected with four side walls of the rectangular mounting plate (15) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321316770.8U CN220362145U (en) | 2023-05-29 | 2023-05-29 | Exhaust device for PCB reflow soldering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321316770.8U CN220362145U (en) | 2023-05-29 | 2023-05-29 | Exhaust device for PCB reflow soldering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220362145U true CN220362145U (en) | 2024-01-19 |
Family
ID=89520379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321316770.8U Active CN220362145U (en) | 2023-05-29 | 2023-05-29 | Exhaust device for PCB reflow soldering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220362145U (en) |
-
2023
- 2023-05-29 CN CN202321316770.8U patent/CN220362145U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |